The Rams, on the other hand, are dead last in the NFL with four sacks.

Practice team players are constantly cut and re-signed, so it's still possible that Sam could make his way onto an NFL team this year.

In a serious of tweets, Sam said:

"I want to thank the Jones family and the entire Cowboys organization for this opportunity, as well as my friends, family, teammates, and fans for their support. While this is disappointing, I will take the lessons I learned here in Dallas and continue to fight for an opportunity to prove that I can play every Sunday."